From: "Marc Poulhiès" <poulhies@adacore.com>
To: gcc-patches@gcc.gnu.org
Cc: Eric Botcazou <ebotcazou@adacore.com>
Subject: [COMMITTED] ada: Add PIE support to backtraces on Linux
Date: Mon, 28 Nov 2022 13:04:51 +0100 [thread overview]
Message-ID: <20221128120451.171477-1-poulhies@adacore.com> (raw)
From: Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* adaint.c [Linux]: Include <link.h>.
(__gnat_get_executable_load_address) [Linux]: Enable.
Tested on x86_64-pc-linux-gnu, committed on master.
---
gcc/ada/adaint.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/gcc/ada/adaint.c b/gcc/ada/adaint.c
index 199dbe0e405..d2604ca9b77 100644
--- a/gcc/ada/adaint.c
+++ b/gcc/ada/adaint.c
@@ -3524,6 +3524,8 @@ __gnat_cpu_set (int cpu, size_t count ATTRIBUTE_UNUSED, cpu_set_t *set)
#if defined (__APPLE__)
#include <mach-o/dyld.h>
+#elif defined (__linux__)
+#include <link.h>
#endif
const void *
@@ -3532,10 +3534,8 @@ __gnat_get_executable_load_address (void)
#if defined (__APPLE__)
return _dyld_get_image_header (0);
-#elif 0 && defined (__linux__)
- /* Currently disabled as it needs at least -ldl. */
+#elif defined (__linux__)
struct link_map *map = _r_debug.r_map;
-
return (const void *)map->l_addr;
#elif defined (_WIN32)
--
2.34.1
reply other threads:[~2022-11-28 12:04 UTC|newest]
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